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kasperskyKaspersky LabKLA11387
HistoryDec 11, 2018 - 12:00 a.m.

KLA11387 Tampering Vulnerability in Microsoft Exchange Server

2018-12-1100:00:00
Kaspersky Lab
threats.kaspersky.com
36

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.8%

A tampering vulnerability was found in Microsoft Exchange Server. Malicious users can exploit this vulnerabilityΒ via specially designed request to spoof user interface.

Original advisories

CVE-2018-8604

Related products

Microsoft-Exchange-Server

CVE list

CVE-2018-8604 warning

KB list

4468741

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

  • SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

  • Microsoft Exchange Server 2016

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.8%